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326935 — VALVE ASSEMBLY,ENVIRONMENTAL CON

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

326935: VALVE ASSEMBLY,ENVIRONMENTAL CON.

VALVE ASSEMBLY,ENVIRONMENTAL CON. Key specifications include special_features: ACTION ID 45389760. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-022-0655, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
326935
NSN: 4820-00-022-0655
NIINs: 000220655, 004334531, 014796198
FSC: 4820 — Valves, Nonpowered
CAGE: 80188 — STEWART-WARNER CORP HEATING AND AIR CONDITIONING DIV (USA)
SPECIFICATIONS
special_featuresACTION ID 45389760
NSN4820-00-022-0655
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 326935 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORNPT ALL ENDS
SUBSTITUTES & CROSS-REFERENCES 1
R15538Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 326935?
326935 is a VALVE ASSEMBLY,ENVIRONMENTAL CON.
What parts can replace 326935?
There is 1 known substitute for 326935: R15538. Substitute compatibility should be verified for your specific system.
What is the NSN for 326935?
326935 is cataloged in the U.S. Government catalog under NSN 4820-00-022-0655. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.